/**
  ******************************************************************************
  * @file           : usbd_conf.c
  * @date           : 15/02/2015 04:46:15   
  * @version        : v1.0_Cube
  * @brief          : This file implements the board support package for the USB device library
  ******************************************************************************
  *
  * COPYRIGHT(c) 2015 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  * 1. Redistributions of source code must retain the above copyright notice,
  * this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of its contributors
  * may be used to endorse or promote products derived from this software
  * without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx.h"
#include "stm32l1xx_hal.h"
#include "usbd_def.h"
#include "usbd_core.h"
#include "usbd_cdc.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
PCD_HandleTypeDef hpcd_USB_FS;

/* USER CODE BEGIN 0 */
__IO uint32_t remotewakeupon = 0;
/* USER CODE END 0 */

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* USER CODE BEGIN 1 */
static void SystemClockConfig_Resume(void);
/* USER CODE END 1 */
void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
extern void SystemClock_Config(void);

/*******************************************************************************
                       LL Driver Callbacks (PCD -> USB Device Library)
*******************************************************************************/
/* MSP Init */

void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd)
{
	if (hpcd->Instance == USB)
	{
		/* USER CODE BEGIN USB_MspInit 0 */
		/* USER CODE END USB_MspInit 0 */
		/* Peripheral clock enable */
		__USB_CLK_ENABLE();
		HAL_NVIC_SetPriority(USB_LP_IRQn, 0, 2);
		HAL_NVIC_EnableIRQ(USB_LP_IRQn);
		/* USER CODE BEGIN USB_MspInit 1 */
		/* USER CODE END USB_MspInit 1 */
	}
}

void HAL_PCD_MspDeInit(PCD_HandleTypeDef* hpcd)
{
	if (hpcd->Instance == USB)
	{
		/* USER CODE BEGIN USB_MspDeInit 0 */
		/* USER CODE END USB_MspDeInit 0 */
		/* Peripheral clock disable */
		__USB_CLK_DISABLE();

		/* Peripheral interrupt Deinit*/
		HAL_NVIC_DisableIRQ(USB_LP_IRQn);

		/* USER CODE BEGIN USB_MspDeInit 1 */
		/* USER CODE END USB_MspDeInit 1 */
	}
}

/**
  * @brief  Setup stage callback
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
{
	USBD_LL_SetupStage(hpcd->pData, (uint8_t *)hpcd->Setup);
}

/**
  * @brief  Data Out stage callback.
  * @param  hpcd: PCD handle
  * @param  epnum: Endpoint Number
  * @retval None
  */
void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
	USBD_LL_DataOutStage(hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
}

/**
  * @brief  Data In stage callback..
  * @param  hpcd: PCD handle
  * @param  epnum: Endpoint Number
  * @retval None
  */
void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
	USBD_LL_DataInStage(hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
}

/**
  * @brief  SOF callback.
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
{
	USBD_LL_SOF(hpcd->pData);
}

/**
  * @brief  Reset callback.
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
{ 
	USBD_SpeedTypeDef speed = USBD_SPEED_FULL;

	/*Set USB Current Speed*/
	switch (hpcd->Init.speed)
	{
	case PCD_SPEED_FULL:
		speed = USBD_SPEED_FULL;    
		break;

	default:
		speed = USBD_SPEED_FULL;    
		break;    
	}
	USBD_LL_SetSpeed(hpcd->pData, speed);  

	/* Reset Device */
	USBD_LL_Reset(hpcd->pData);
}

/**
  * @brief  Suspend callback.
  * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
{
	USBD_LL_Suspend(hpcd->pData);
	/*Enter in STOP mode */
	/* USER CODE BEGIN 2 */
	if (hpcd->Init.low_power_enable)
	{
		/* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register */
		//SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
	}
	/* USER CODE END 2 */
}

/**
  * @brief  Resume callback.
  * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
{
  /* USER CODE BEGIN 3 */
	if (hpcd->Init.low_power_enable && remotewakeupon == 0)
	{
		SystemClockConfig_Resume();
		/* Reset SLEEPDEEP bit of Cortex System Control Register */
		//SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
	}
	remotewakeupon = 0;
	/* USER CODE END 3 */
	USBD_LL_Resume(hpcd->pData);
}

/**
  * @brief  ISOC Out Incomplete callback.
  * @param  hpcd: PCD handle
  * @param  epnum: Endpoint Number
  * @retval None
  */
void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
	USBD_LL_IsoOUTIncomplete(hpcd->pData, epnum);
}

/**
  * @brief  ISOC In Incomplete callback.
  * @param  hpcd: PCD handle
  * @param  epnum: Endpoint Number
  * @retval None
  */
void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
	USBD_LL_IsoINIncomplete(hpcd->pData, epnum);
}

/**
  * @brief  Connect callback.
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
{
	USBD_LL_DevConnected(hpcd->pData);
}

/**
  * @brief  Disconnect callback.
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
{
	USBD_LL_DevDisconnected(hpcd->pData);
}

/*******************************************************************************
                       LL Driver Interface (USB Device Library --> PCD)
*******************************************************************************/
/**
  * @brief  Initializes the Low Level portion of the Device driver.
  * @param  pdev: Device handle
  * @retval USBD Status
  */
USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev)
{ 
	/* Init USB_IP */
	/* Link The driver to the stack */
	hpcd_USB_FS.pData = pdev;
	pdev->pData = &hpcd_USB_FS;

	hpcd_USB_FS.Instance = USB;
	hpcd_USB_FS.Init.dev_endpoints = 8;
	hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
	hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_8;
	hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
	hpcd_USB_FS.Init.Sof_enable = DISABLE;
	hpcd_USB_FS.Init.low_power_enable = DISABLE;
	hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
	HAL_PCD_Init(&hpcd_USB_FS);

	HAL_PCDEx_PMAConfig(pdev->pData , 0x00 , PCD_SNG_BUF, 0x18);
	HAL_PCDEx_PMAConfig(pdev->pData , 0x80 , PCD_SNG_BUF, 0x58);
	HAL_PCDEx_PMAConfig(pdev->pData , 0x81 , PCD_SNG_BUF, 0xC0);  
	HAL_PCDEx_PMAConfig(pdev->pData , 0x01 , PCD_SNG_BUF, 0x110);
	HAL_PCDEx_PMAConfig(pdev->pData , 0x82 , PCD_SNG_BUF, 0x100);  
	return USBD_OK;
}

/**
  * @brief  De-Initializes the Low Level portion of the Device driver.
  * @param  pdev: Device handle
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_DeInit (USBD_HandleTypeDef *pdev)
{
	HAL_PCD_DeInit(pdev->pData);
	return USBD_OK; 
}

/**
  * @brief  Starts the Low Level portion of the Device driver. 
  * @param  pdev: Device handle
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
{
	HAL_PCD_Start(pdev->pData);
	return USBD_OK; 
}

/**
  * @brief  Stops the Low Level portion of the Device driver.
  * @param  pdev: Device handle
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
{
	HAL_PCD_Stop(pdev->pData);
	return USBD_OK; 
}

/**
  * @brief  Opens an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @param  ep_type: Endpoint Type
  * @param  ep_mps: Endpoint Max Packet Size
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_OpenEP(	USBD_HandleTypeDef *pdev, 
									uint8_t  ep_addr,                                      
									uint8_t  ep_type,
									uint16_t ep_mps)
{
	HAL_PCD_EP_Open(pdev->pData, 
					ep_addr, 
					ep_mps, 
					ep_type);
	return USBD_OK; 
}

/**
  * @brief  Closes an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
	HAL_PCD_EP_Close(pdev->pData, ep_addr);
	return USBD_OK; 
}

/**
  * @brief  Flushes an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
	HAL_PCD_EP_Flush(pdev->pData, ep_addr);
	return USBD_OK; 
}

/**
  * @brief  Sets a Stall condition on an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
	HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
	return USBD_OK; 
}

/**
  * @brief  Clears a Stall condition on an endpoint of the Low Level Driver.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
	HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);  
	return USBD_OK; 
}

/**
  * @brief  Returns Stall condition.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval Stall (1: Yes, 0: No)
  */
uint8_t USBD_LL_IsStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)   
{
	PCD_HandleTypeDef *hpcd = pdev->pData;

	if((ep_addr & 0x80) == 0x80)
	{
		return hpcd->IN_ep[ep_addr & 0x7F].is_stall; 
	}
	else
	{
		return hpcd->OUT_ep[ep_addr & 0x7F].is_stall; 
	}
}
/**
  * @brief  Assigns a USB address to the device.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_SetUSBAddress (USBD_HandleTypeDef *pdev, uint8_t dev_addr)   
{
	HAL_PCD_SetAddress(pdev->pData, dev_addr);
	return USBD_OK; 
}

/**
  * @brief  Transmits data over an endpoint.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @param  pbuf: Pointer to data to be sent
  * @param  size: Data size    
  * @retval USBD Status
  */
USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, 
									uint8_t  ep_addr,                                      
									uint8_t  *pbuf,
									uint16_t  size)
{
	HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
	return USBD_OK;   
}

/**
  * @brief  Prepares an endpoint for reception.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @param  pbuf: Pointer to data to be received
  * @param  size: Data size
  * @retval USBD Status
  */
USBD_StatusTypeDef  USBD_LL_PrepareReceive(	USBD_HandleTypeDef *pdev, 
											uint8_t  ep_addr,                                      
											uint8_t  *pbuf,
											uint16_t  size)
{
	HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
	return USBD_OK;   
}

/**
  * @brief  Returns the last transfered packet size.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval Recived Data Size
  */
uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t  ep_addr)  
{
	return HAL_PCD_EP_GetRxCount(pdev->pData, ep_addr);
}

/**
  * @brief  Delays routine for the USB Device Library.
  * @param  Delay: Delay in ms
  * @retval None
  */
void USBD_LL_Delay (uint32_t Delay)
{
	HAL_Delay(Delay);
}

/**
  * @brief  static single allocation.
  * @param  size: size of allocated memory
  * @retval None
  */
void *USBD_static_malloc(uint32_t size)
{
	//static uint32_t mem[sizeof(USBD_CDC_HandleTypeDef)];
	static uint8_t mem[512];
	return mem;
}

/**
  * @brief  Dummy memory free
  * @param  *p pointer to allocated  memory address
  * @retval None
  */
void USBD_static_free(void *p)
{

}

/* USER CODE BEGIN 5 */
/**
  * @brief  Configures system clock after wake-up from USB Resume CallBack: 
  *         enable HSI, PLL and select PLL as system clock source.
  * @param  None
  * @retval None
  */
static void SystemClockConfig_Resume(void)
{
	SystemClock_Config();
}
/* USER CODE END 5 */

/**
* @brief Software Device Connection
* @param hpcd: PCD handle
* @param state: connection state (0 : disconnected / 1: connected) 
* @retval None
*/
void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
{
	/* USER CODE BEGIN 6 */
	if (state == 1)
	{
		/* Configure Low Connection State */
		__HAL_SYSCFG_USBPULLUP_ENABLE();
	}
	else
	{
		/* Configure High Connection State */
		__HAL_SYSCFG_USBPULLUP_DISABLE();
	}
	/* USER CODE END 6 */
}

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
